EGM
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Engineers Gate Manager’s SI-BONE Inc SIBN Stock Holding History

Engineers Gate Manager’s Portfolio SIBN Stock Details SIBN Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2026
Q2 		$479K Sell
29,380
-65,544
-69% -$937K 0.01% 1545
2026
Q1 		$1.2M Buy
94,924
+3,803
+4% +$59.5K 0.02% 959
2025
Q4 		$1.8M Sell
91,121
-6,341
-7% -$110K 0.02% 750
2025
Q3 		$1.43M Buy
97,462
+5,932
+6% +$96.9K 0.02% 957
2025
Q2 		$1.72M Buy
91,530
+78,161
+585% +$1.3M 0.02% 807
2025
Q1 		$188K Buy
+13,369
New +$216K ﹤0.01% 1907
2024
Q3 		– Sell
-10,823
Closed -$140K – 2376
2024
Q2 		$140K Buy
+10,823
New +$155K ﹤0.01% 1702
2023
Q4 		– Sell
-34,094
Closed -$724K – 2227
2023
Q3 		$724K Sell
34,094
-27,936
-45% -$647K 0.03% 891
2023
Q2 		$1.67M Buy
+62,030
New +$1.51M 0.06% 424
2022
Q3 		– Sell
-12,861
Closed -$170K – 2033
2022
Q2 		$170K Buy
+12,861
New +$214K 0.01% 1654
2021
Q3 		– Sell
-21,895
Closed -$689K – 1945
2021
Q2 		$689K Buy
21,895
+5,867
+37% +$190K 0.04% 647
2021
Q1 		$510K Sell
16,028
-8,295
-34% -$255K 0.03% 983
2020
Q4 		$727K Sell
24,323
-563
-2% -$13.7K 0.03% 748
2020
Q3 		$590K Buy
+24,886
New +$494K 0.03% 899
2020
Q2 		– Sell
-42,849
Closed -$512K – 1950
2020
Q1 		$512K Buy
+42,849
New +$787K 0.04% 750
2019
Q4 		– Sell
-19,285
Closed -$341K – 1821
2019
Q3 		$341K Buy
+19,285
New +$369K 0.02% 955

Other funds holding SIBN

FLAM
First Light Asset Management Edina, Minnesota $1.65B AUM 203.21% 1-Year Est. Return
BlackRock
BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return
CCM
Cadian Capital Management New York $1.32B AUM 4.19% 1-Year Est. Return
American Century Companies
American Century Companies Kansas City, Missouri $226B AUM 44.75% 1-Year Est. Return
Brown Advisory
Brown Advisory Baltimore, Maryland $64.6B AUM 18.98% 1-Year Est. Return
GIM
Granahan Investment Management Waltham, Massachusetts $2.81B AUM 83.9% 1-Year Est. Return
Vanguard Capital Management
Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM
Impax Asset Management Group
Impax Asset Management Group London, United Kingdom $15.4B AUM 26.43% 1-Year Est. Return
GGHC
Gilder Gagnon Howe & Co New York $9.69B AUM 55.7% 1-Year Est. Return
PCMI
Paradigm Capital Management Inc Albany, New York $3.67B AUM 121.12% 1-Year Est. Return

Engineers Gate Manager's SIBN Position: Q2 2026 in Review

Engineers Gate Manager reduced its SI-BONE Inc (SIBN) stake by 69% in Q2 2026, selling an estimated $937K and leaving 29,380 shares worth $479K. The position accounts for 0.01% of the portfolio, ranked #1545.

Engineers Gate Manager first reported a position in SIBN in Q3 2019 and has held it in 16 quarters since. The position peaked at $1.8M in Q4 2025. 168 funds tracked by Wall St. Rank hold SIBN as of Q2 2026.

  • Engineers Gate Manager held 29,380 shares of SI-BONE Inc worth $479K as of Q2 2026.
  • Engineers Gate Manager sold 65,544 SI-BONE Inc shares in Q2 2026, an estimated $937K.
  • SI-BONE Inc made up 0.01% of Engineers Gate Manager's portfolio in Q2 2026, its #1545 holding.
  • Engineers Gate Manager first reported a position in SI-BONE Inc in Q3 2019 and has held it in 16 quarters since.
  • Engineers Gate Manager's SI-BONE Inc position peaked at $1.8M in Q4 2025.
  • 168 funds tracked by Wall St. Rank held SI-BONE Inc as of Q2 2026.

Based on Engineers Gate Manager's 13F filing for Q2 2026, filed 14 Aug 2026.